TRAFFIC MANAGEMENT SYSTEM
First Claim
1. A method for managing traffic via a plurality of traffic signs positioned sequentially along a stretch of roadway, each traffic sign in the plurality of traffic signs being capable of displaying more than one different traffic message, the method comprising:
- receiving at a first traffic sign in the plurality of traffic signs a wireless control signal indicative that the plurality of traffic signs are to display a new message;
causing each traffic sign in the plurality of traffic signs to display a new traffic message, wherein the new traffic message displayed by each of the plurality of traffic signs provides information relating to a roadway condition downstream of at least a front-most traffic sign in the plurality of traffic signs.
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Accused Products
Abstract
A method and system for managing traffic via a plurality of traffic signs positioned sequentially along a stretch of roadway. Each traffic sign in the plurality of traffic signs is capable of displaying more than one different traffic message. The method comprises receiving at a first traffic sign in the plurality of traffic signs a wireless control signal indicative that the plurality of traffic signs are to display a new message, and then causing each traffic sign in the plurality of traffic signs to display a new traffic message. The new traffic messages displayed by the plurality of traffic signs provide information relating to a roadway condition downstream of at least the front-most traffic sign in the plurality of traffic signs.
45 Citations
41 Claims
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1. A method for managing traffic via a plurality of traffic signs positioned sequentially along a stretch of roadway, each traffic sign in the plurality of traffic signs being capable of displaying more than one different traffic message, the method comprising:
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receiving at a first traffic sign in the plurality of traffic signs a wireless control signal indicative that the plurality of traffic signs are to display a new message; causing each traffic sign in the plurality of traffic signs to display a new traffic message, wherein the new traffic message displayed by each of the plurality of traffic signs provides information relating to a roadway condition downstream of at least a front-most traffic sign in the plurality of traffic signs. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A system comprising:
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a first traffic sign positioned at a first position along a roadway, the first traffic sign being configured for displaying more than one different traffic message; a second traffic sign positioned at a second position along the roadway that is downstream of the first traffic sign, the second traffic sign being configured for displaying more than one different traffic message, the first traffic sign and the second traffic sign being in wireless communication with each other, wherein in response to receipt at one of the first traffic sign and the second traffic sign of a wireless control signal, each of the first traffic sign and the second traffic sign is configured to display a respective new traffic message that provides information relating to a roadway condition downstream of at least the first traffic sign. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. A traffic sign for providing information to a motorist, the traffic sign comprising:
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a receiver for receiving a signal indicative of an environmental condition; a processing entity configured for determining, at least in part on the basis of the signal indicative of an environmental condition, whether information relating to the environmental condition should be conveyed by the traffic sign; the processing entity further configured upon determination that information relating to the environmental condition should be conveyed by the traffic sign, for causing the traffic sign to acquire a condition that conveys information relating to the environmental condition to motorists. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38, 39, 40, 41)
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Specification